    * {
        margin: 0;
        padding: 0;
    }
    
    .container {
        width: 1000px;
        height: 500px;
        margin: 50px auto;
        background-color: white;
        box-sizing: border-box;
    }
    
    h1 {
        font-size: 50px;
        color: black;
        text-align: center;
    }
    
    .MAIN {
        box-sizing: border-box;
        margin: 50px 180px;
        text-align: center;
        width: 640PX;
        height: 640px;
        background-color: white);
        display: inline-block;
        text-align: center;
        overflow: hidden;
    }
    
    .one {
        box-sizing: border-box;
        width: 300px;
        height: 300px;
        background-color: #fff3e2;
        border: double 6px #ecd2c6;
        text-align: center;
        float: left;
        text-align: center;
        padding-top: 30px;
        margin-bottom: 5px;
    }
    
    .two {
        box-sizing: border-box;
        width: 300px;
        height: 300px;
        background-color: #fff3e2;
        border: double;
        text-align: center;
        float: right;
        text-align: center;
        padding-top: 30px;
        border: double 6px #ecd2c6;
        margin-bottom: 5px;
    }
    
    .three {
        box-sizing: border-box;
        width: 300px;
        height: 300px;
        background-color: #fff3e2;
        border: double;
        text-align: center;
        float: left;
        text-align: center;
        padding-top: 30px;
        border: double 6px #ecd2c6;
        margin-top: 25px;
    }
    
    .four {
        box-sizing: border-box;
        width: 300px;
        height: 300px;
        background-color: #fff3e2;
        border: double;
        text-align: center;
        float: right;
        text-align: center;
        padding-top: 30px;
        border: double 6px #ecd2c6;
        margin-top: 25px;
    }